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so: Swiftech MCX4000 Extreme Duty Heatsink for Intel Pentium 4 Socket 478 Processors, Retail Box

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Part Number: HK-MCX4000
Regular price:$47.00On Sale: $37.00

Swiftech MCX4000 Extreme Duty Heatsink for Intel Pentium 4 Socket 478 Processors, Retail Box

Availability: Sorry, this item is sold out. No ETA available at this time.

The MCX4000 heatsink is designed exclusively for Intel Pentium 4 processors. This product aims at offering the absolute ultimate performance in air cooling, and enabling users with the widest possible range of applications from ultra-quiet to extreme overclocking. The MCX4000 heatsink can be used with either 70mm or 80mm fans.

Features:
  • Construction: hybrid copper base, thin aluminum pin heatsink. The 3/8" thick copper base provides mass for superior energy absorption. The thin aluminum pins promote increased turbulence for more efficient heat dissipation compared to traditional fin extrusions.
  • Patented Helicoid pin design (U.S. patent 6,469,898): pins are individually machined in an helicoid shape, to increase their surface area, and further enhance heat dissipation efficiency.
  • 70mm and 80mm fan compatibility : allows users to install any 70 or 80mm fan, providing optimum choice in noise vs. performance . Extreme overclockers will be also be able to use ultra high-flow 80mm fans, such as shown in the example below.
  • Exceptional quality and attention to details: the heatsink base is lapped flat to 3/10 of 1/1000", and polished to near-mirror finish to promote optimum thermal conductivity.

    Specifications:
  • Heatsink Base: CNC machined, C110 copper base, 3.14"W x 3.5"L x .375"H, flatness better than 0.001", micro surface finish 8 or better.
  • 429 Helicoid Pins made of High Thermal Conductivity Aluminum Alloy, press fitted in the base.
  • Overall Heatsink Dimensions: 3.14"x3.5"x1.55"
  • Weight: 21oz (600g)
  • Retention Mechanism* Motherboard Fittings: 6-32 Female to Male 1/4" aluminum round standoffs with nylon washers and nylons nuts. 4 compression springs providing exact specified pressure per chip manufacturers. 70mm and 80mm fan mounting screws

    *Notes: The retention mechanism is designed to prevent damage to the processor during installation or removal of the heatsink, or during shipping of a completely assembled computers. The heatsink anchors to four steel standoffs bolted to the motherboard with lock-nuts. Installation of the standoffs requires removal of the motherboard from the computer case.

    Related Items: | 80mm Fans | Intel Pentium 4, Socket 478 | CPU Coolers | Heatsinks |

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